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Comparing Coro/Coro/State.xs (file contents):
Revision 1.412 by root, Mon Jun 13 09:00:15 2011 UTC vs.
Revision 1.423 by root, Mon Oct 8 23:13:36 2012 UTC

12#include "perl.h" 12#include "perl.h"
13#include "XSUB.h" 13#include "XSUB.h"
14#include "perliol.h" 14#include "perliol.h"
15 15
16#include "schmorp.h" 16#include "schmorp.h"
17
18#define ECB_NO_THREADS 1
17#include "ecb.h" 19#include "ecb.h"
18 20
19#include <stddef.h> 21#include <stddef.h>
20#include <stdio.h> 22#include <stdio.h>
21#include <errno.h> 23#include <errno.h>
63#endif 65#endif
64 66
65/* the maximum number of idle cctx that will be pooled */ 67/* the maximum number of idle cctx that will be pooled */
66static int cctx_max_idle = 4; 68static int cctx_max_idle = 4;
67 69
70#if defined(DEBUGGING) && PERL_VERSION_ATLEAST(5,12,0)
71# define HAS_SCOPESTACK_NAME 1
72#endif
73
68#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64 74#if !__i386 && !__x86_64 && !__powerpc && !__m68k && !__alpha && !__mips && !__sparc64
69# undef CORO_STACKGUARD 75# undef CORO_STACKGUARD
70#endif 76#endif
71 77
72#ifndef CORO_STACKGUARD 78#ifndef CORO_STACKGUARD
97# if CORO_PTHREAD 103# if CORO_PTHREAD
98static void *coro_thx; 104static void *coro_thx;
99# endif 105# endif
100#endif 106#endif
101 107
102/* used in state.h */
103#define VAR(name,type) VARx(name, PL_ ## name, type)
104
105#ifdef __linux 108#ifdef __linux
106# include <time.h> /* for timespec */ 109# include <time.h> /* for timespec */
107# include <syscall.h> /* for SYS_* */ 110# include <syscall.h> /* for SYS_* */
108# ifdef SYS_clock_gettime 111# ifdef SYS_clock_gettime
109# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts)) 112# define coro_clock_gettime(id, ts) syscall (SYS_clock_gettime, (id), (ts))
177 void *sptr; 180 void *sptr;
178 size_t ssize; 181 size_t ssize;
179 182
180 /* cpu state */ 183 /* cpu state */
181 void *idle_sp; /* sp of top-level transfer/schedule/cede call */ 184 void *idle_sp; /* sp of top-level transfer/schedule/cede call */
185#ifndef NDEBUG
182 JMPENV *idle_te; /* same as idle_sp, but for top_env, TODO: remove once stable */ 186 JMPENV *idle_te; /* same as idle_sp, but for top_env */
187#endif
183 JMPENV *top_env; 188 JMPENV *top_env;
184 coro_context cctx; 189 coro_context cctx;
185 190
186 U32 gen; 191 U32 gen;
187#if CORO_USE_VALGRIND 192#if CORO_USE_VALGRIND
207}; 212};
208 213
209/* the structure where most of the perl state is stored, overlaid on the cxstack */ 214/* the structure where most of the perl state is stored, overlaid on the cxstack */
210typedef struct 215typedef struct
211{ 216{
212#define VARx(name,expr,type) type name; 217 #define VARx(name,expr,type) type name;
213# include "state.h" 218 #include "state.h"
214#undef VARx
215} perl_slots; 219} perl_slots;
216 220
217/* how many context stack entries do we need for perl_slots */ 221/* how many context stack entries do we need for perl_slots */
218#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT)) 222#define SLOT_COUNT ((sizeof (perl_slots) + sizeof (PERL_CONTEXT) - 1) / sizeof (PERL_CONTEXT))
219 223
335 339
336/** time stuff **************************************************************/ 340/** time stuff **************************************************************/
337 341
338#ifdef HAS_GETTIMEOFDAY 342#ifdef HAS_GETTIMEOFDAY
339 343
340ECB_INLINE void 344ecb_inline void
341coro_u2time (pTHX_ UV ret[2]) 345coro_u2time (pTHX_ UV ret[2])
342{ 346{
343 struct timeval tv; 347 struct timeval tv;
344 gettimeofday (&tv, 0); 348 gettimeofday (&tv, 0);
345 349
346 ret [0] = tv.tv_sec; 350 ret [0] = tv.tv_sec;
347 ret [1] = tv.tv_usec; 351 ret [1] = tv.tv_usec;
348} 352}
349 353
350ECB_INLINE double 354ecb_inline double
351coro_nvtime (void) 355coro_nvtime (void)
352{ 356{
353 struct timeval tv; 357 struct timeval tv;
354 gettimeofday (&tv, 0); 358 gettimeofday (&tv, 0);
355 359
356 return tv.tv_sec + tv.tv_usec * 1e-6; 360 return tv.tv_sec + tv.tv_usec * 1e-6;
357} 361}
358 362
359ECB_INLINE void 363ecb_inline void
360time_init (pTHX) 364time_init (pTHX)
361{ 365{
362 nvtime = coro_nvtime; 366 nvtime = coro_nvtime;
363 u2time = coro_u2time; 367 u2time = coro_u2time;
364} 368}
365 369
366#else 370#else
367 371
368ECB_INLINE void 372ecb_inline void
369time_init (pTHX) 373time_init (pTHX)
370{ 374{
371 SV **svp; 375 SV **svp;
372 376
373 require_pv ("Time/HiRes.pm"); 377 require_pv ("Time/HiRes.pm");
415 get_hv (name, create); 419 get_hv (name, create);
416#endif 420#endif
417 return get_hv (name, create); 421 return get_hv (name, create);
418} 422}
419 423
420ECB_INLINE void 424ecb_inline void
421coro_times_update (void) 425coro_times_update (void)
422{ 426{
423#ifdef coro_clock_gettime 427#ifdef coro_clock_gettime
424 struct timespec ts; 428 struct timespec ts;
425 429
438 time_real [0] = tv [0]; 442 time_real [0] = tv [0];
439 time_real [1] = tv [1] * 1000; 443 time_real [1] = tv [1] * 1000;
440#endif 444#endif
441} 445}
442 446
443ECB_INLINE void 447ecb_inline void
444coro_times_add (struct coro *c) 448coro_times_add (struct coro *c)
445{ 449{
446 c->t_real [1] += time_real [1]; 450 c->t_real [1] += time_real [1];
447 if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; } 451 if (c->t_real [1] > 1000000000) { c->t_real [1] -= 1000000000; ++c->t_real [0]; }
448 c->t_real [0] += time_real [0]; 452 c->t_real [0] += time_real [0];
450 c->t_cpu [1] += time_cpu [1]; 454 c->t_cpu [1] += time_cpu [1];
451 if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; } 455 if (c->t_cpu [1] > 1000000000) { c->t_cpu [1] -= 1000000000; ++c->t_cpu [0]; }
452 c->t_cpu [0] += time_cpu [0]; 456 c->t_cpu [0] += time_cpu [0];
453} 457}
454 458
455ECB_INLINE void 459ecb_inline void
456coro_times_sub (struct coro *c) 460coro_times_sub (struct coro *c)
457{ 461{
458 if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; } 462 if (c->t_real [1] < time_real [1]) { c->t_real [1] += 1000000000; --c->t_real [0]; }
459 c->t_real [1] -= time_real [1]; 463 c->t_real [1] -= time_real [1];
460 c->t_real [0] -= time_real [0]; 464 c->t_real [0] -= time_real [0];
481 : 0) 485 : 0)
482 486
483#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv) 487#define CORO_MAGIC_cv(cv) CORO_MAGIC (((SV *)(cv)), CORO_MAGIC_type_cv)
484#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state) 488#define CORO_MAGIC_state(sv) CORO_MAGIC_NN (((SV *)(sv)), CORO_MAGIC_type_state)
485 489
486ECB_INLINE MAGIC * 490ecb_inline MAGIC *
487SvSTATEhv_p (pTHX_ SV *coro) 491SvSTATEhv_p (pTHX_ SV *coro)
488{ 492{
489 MAGIC *mg; 493 MAGIC *mg;
490 494
491 if (ecb_expect_true ( 495 if (ecb_expect_true (
496 return mg; 500 return mg;
497 501
498 return 0; 502 return 0;
499} 503}
500 504
501ECB_INLINE struct coro * 505ecb_inline struct coro *
502SvSTATE_ (pTHX_ SV *coro) 506SvSTATE_ (pTHX_ SV *coro)
503{ 507{
504 MAGIC *mg; 508 MAGIC *mg;
505 509
506 if (SvROK (coro)) 510 if (SvROK (coro))
520#define SvSTATE_current SvSTATE_hv (SvRV (coro_current)) 524#define SvSTATE_current SvSTATE_hv (SvRV (coro_current))
521 525
522/*****************************************************************************/ 526/*****************************************************************************/
523/* padlist management and caching */ 527/* padlist management and caching */
524 528
525ECB_INLINE AV * 529ecb_inline AV *
526coro_derive_padlist (pTHX_ CV *cv) 530coro_derive_padlist (pTHX_ CV *cv)
527{ 531{
528 AV *padlist = CvPADLIST (cv); 532 AV *padlist = CvPADLIST (cv);
529 AV *newpadlist, *newpad; 533 AV *newpadlist, *newpad;
530 534
542 av_store (newpadlist, 1, (SV *)newpad); 546 av_store (newpadlist, 1, (SV *)newpad);
543 547
544 return newpadlist; 548 return newpadlist;
545} 549}
546 550
547ECB_INLINE void 551ecb_inline void
548free_padlist (pTHX_ AV *padlist) 552free_padlist (pTHX_ AV *padlist)
549{ 553{
550 /* may be during global destruction */ 554 /* may be during global destruction */
551 if (!IN_DESTRUCT) 555 if (!IN_DESTRUCT)
552 { 556 {
595 0, 0, 0, 0, 599 0, 0, 0, 0,
596 coro_cv_free 600 coro_cv_free
597}; 601};
598 602
599/* the next two functions merely cache the padlists */ 603/* the next two functions merely cache the padlists */
600ECB_INLINE void 604ecb_inline void
601get_padlist (pTHX_ CV *cv) 605get_padlist (pTHX_ CV *cv)
602{ 606{
603 MAGIC *mg = CORO_MAGIC_cv (cv); 607 MAGIC *mg = CORO_MAGIC_cv (cv);
604 AV *av; 608 AV *av;
605 609
618 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv); 622 CvPADLIST (cv) = coro_derive_padlist (aTHX_ cv);
619#endif 623#endif
620 } 624 }
621} 625}
622 626
623ECB_INLINE void 627ecb_inline void
624put_padlist (pTHX_ CV *cv) 628put_padlist (pTHX_ CV *cv)
625{ 629{
626 MAGIC *mg = CORO_MAGIC_cv (cv); 630 MAGIC *mg = CORO_MAGIC_cv (cv);
627 AV *av; 631 AV *av;
628 632
637 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv); 641 AvARRAY (av)[++AvFILLp (av)] = (SV *)CvPADLIST (cv);
638} 642}
639 643
640/** load & save, init *******************************************************/ 644/** load & save, init *******************************************************/
641 645
646ecb_inline void
647swap_sv (SV *a, SV *b)
648{
649 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
650 SV tmp;
651
652 /* swap sv_any */
653 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
654
655 /* swap sv_flags */
656 SvFLAGS (&tmp) = SvFLAGS (a);
657 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
658 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
659
660#if PERL_VERSION_ATLEAST (5,10,0)
661 /* perl 5.10 and later complicates this _quite_ a bit, but it also
662 * is much faster, so no quarrels here. alternatively, we could
663 * sv_upgrade to avoid this.
664 */
665 {
666 /* swap sv_u */
667 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
668
669 /* if SvANY points to the head, we need to adjust the pointers,
670 * as the pointer for a still points to b, and maybe vice versa.
671 */
672 #define svany_in_head(type) \
673 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
674
675 if (svany_in_head (SvTYPE (a)))
676 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
677
678 if (svany_in_head (SvTYPE (b)))
679 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
680 }
681#endif
682}
683
642/* swap sv heads, at least logically */ 684/* swap sv heads, at least logically */
643static void 685static void
644swap_svs (pTHX_ Coro__State c) 686swap_svs (pTHX_ Coro__State c)
645{ 687{
646 int i; 688 int i;
647 689
648 for (i = 0; i <= AvFILLp (c->swap_sv); ) 690 for (i = 0; i <= AvFILLp (c->swap_sv); i += 2)
649 { 691 swap_sv (AvARRAY (c->swap_sv)[i], AvARRAY (c->swap_sv)[i + 1]);
650 SV *a = AvARRAY (c->swap_sv)[i++];
651 SV *b = AvARRAY (c->swap_sv)[i++];
652
653 const U32 keep = SVs_PADSTALE | SVs_PADTMP | SVs_PADMY; /* keep these flags */
654 SV tmp;
655
656 /* swap sv_any */
657 SvANY (&tmp) = SvANY (a); SvANY (a) = SvANY (b); SvANY (b) = SvANY (&tmp);
658
659 /* swap sv_flags */
660 SvFLAGS (&tmp) = SvFLAGS (a);
661 SvFLAGS (a) = (SvFLAGS (a) & keep) | (SvFLAGS (b ) & ~keep);
662 SvFLAGS (b) = (SvFLAGS (b) & keep) | (SvFLAGS (&tmp) & ~keep);
663
664#if PERL_VERSION_ATLEAST (5,10,0)
665 /* perl 5.10 complicates this _quite_ a bit, but it also is
666 * much faster, so no quarrels here. alternatively, we could
667 * sv_upgrade to avoid this.
668 */
669 {
670 /* swap sv_u */
671 tmp.sv_u = a->sv_u; a->sv_u = b->sv_u; b->sv_u = tmp.sv_u;
672
673 /* if SvANY points to the head, we need to adjust the pointers,
674 * as the pointer for a still points to b, and maybe vice versa.
675 */
676 #define svany_in_head(type) \
677 (((1 << SVt_NULL) | (1 << SVt_BIND) | (1 << SVt_IV) | (1 << SVt_RV)) & (1 << (type)))
678
679 if (svany_in_head (SvTYPE (a)))
680 SvANY (a) = (void *)((PTRV)SvANY (a) - (PTRV)b + (PTRV)a);
681
682 if (svany_in_head (SvTYPE (b)))
683 SvANY (b) = (void *)((PTRV)SvANY (b) - (PTRV)a + (PTRV)b);
684 }
685#endif
686 }
687} 692}
688 693
689#define SWAP_SVS(coro) \ 694#define SWAP_SVS(coro) \
690 if (ecb_expect_false ((coro)->swap_sv)) \ 695 if (ecb_expect_false ((coro)->swap_sv)) \
691 swap_svs (aTHX_ (coro)) 696 swap_svs (aTHX_ (coro))
703 708
704#if CORO_JIT 709#if CORO_JIT
705 load_perl_slots (slot); 710 load_perl_slots (slot);
706#else 711#else
707 #define VARx(name,expr,type) expr = slot->name; 712 #define VARx(name,expr,type) expr = slot->name;
708 # include "state.h" 713 #include "state.h"
709 #undef VARx
710#endif 714#endif
711 715
712 { 716 {
713 dSP; 717 dSP;
714 718
836 840
837#if CORO_JIT 841#if CORO_JIT
838 save_perl_slots (slot); 842 save_perl_slots (slot);
839#else 843#else
840 #define VARx(name,expr,type) slot->name = expr; 844 #define VARx(name,expr,type) slot->name = expr;
841 # include "state.h" 845 #include "state.h"
842 #undef VARx
843#endif 846#endif
844 } 847 }
845} 848}
846 849
847/* 850/*
879#endif 882#endif
880 883
881 New(54,PL_scopestack,8,I32); 884 New(54,PL_scopestack,8,I32);
882 PL_scopestack_ix = 0; 885 PL_scopestack_ix = 0;
883 PL_scopestack_max = 8; 886 PL_scopestack_max = 8;
887#if HAS_SCOPESTACK_NAME
888 New(54,PL_scopestack_name,8,const char*);
889#endif
884 890
885 New(54,PL_savestack,24,ANY); 891 New(54,PL_savestack,24,ANY);
886 PL_savestack_ix = 0; 892 PL_savestack_ix = 0;
887 PL_savestack_max = 24; 893 PL_savestack_max = 24;
888 894
916 } 922 }
917 923
918 Safefree (PL_tmps_stack); 924 Safefree (PL_tmps_stack);
919 Safefree (PL_markstack); 925 Safefree (PL_markstack);
920 Safefree (PL_scopestack); 926 Safefree (PL_scopestack);
927#if HAS_SCOPESTACK_NAME
928 Safefree (PL_scopestack_name);
929#endif
921 Safefree (PL_savestack); 930 Safefree (PL_savestack);
922#if !PERL_VERSION_ATLEAST (5,10,0) 931#if !PERL_VERSION_ATLEAST (5,10,0)
923 Safefree (PL_retstack); 932 Safefree (PL_retstack);
924#endif 933#endif
925} 934}
988 if (strEQ (s, "__DIE__" )) svp = &PL_diehook; 997 if (strEQ (s, "__DIE__" )) svp = &PL_diehook;
989 if (strEQ (s, "__WARN__")) svp = &PL_warnhook; 998 if (strEQ (s, "__WARN__")) svp = &PL_warnhook;
990 999
991 if (svp) 1000 if (svp)
992 { 1001 {
993 sv_setsv (sv, *svp ? *svp : &PL_sv_undef); 1002 SV *ssv;
1003
1004 if (!*svp)
1005 ssv = &PL_sv_undef;
1006 else if (SvTYPE (*svp) == SVt_PVCV) /* perlio directly stores a CV in warnhook. ugh. */
1007 ssv = sv_2mortal (newRV_inc (*svp));
1008 else
1009 ssv = *svp;
1010
1011 sv_setsv (sv, ssv);
994 return 0; 1012 return 0;
995 } 1013 }
996 } 1014 }
997 1015
998 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0; 1016 return orig_sigelem_get ? orig_sigelem_get (aTHX_ sv, mg) : 0;
1220 SvREFCNT_dec (coro->invoke_cb); 1238 SvREFCNT_dec (coro->invoke_cb);
1221 SvREFCNT_dec (coro->invoke_av); 1239 SvREFCNT_dec (coro->invoke_av);
1222 } 1240 }
1223} 1241}
1224 1242
1225ECB_INLINE void 1243ecb_inline void
1226free_coro_mortal (pTHX) 1244free_coro_mortal (pTHX)
1227{ 1245{
1228 if (ecb_expect_true (coro_mortal)) 1246 if (ecb_expect_true (coro_mortal))
1229 { 1247 {
1230 SvREFCNT_dec ((SV *)coro_mortal); 1248 SvREFCNT_dec ((SV *)coro_mortal);
1389 slf_frame.prepare = slf_prepare_set_stacklevel; 1407 slf_frame.prepare = slf_prepare_set_stacklevel;
1390 slf_frame.check = slf_check_set_stacklevel; 1408 slf_frame.check = slf_check_set_stacklevel;
1391} 1409}
1392 1410
1393/* the tail of transfer: execute stuff we can only do after a transfer */ 1411/* the tail of transfer: execute stuff we can only do after a transfer */
1394ECB_INLINE void 1412ecb_inline void
1395transfer_tail (pTHX) 1413transfer_tail (pTHX)
1396{ 1414{
1397 free_coro_mortal (aTHX); 1415 free_coro_mortal (aTHX);
1416}
1417
1418/* try to exit the same way perl's main function would do */
1419/* we do not bother resetting the environment or other things *7
1420/* that are not, uhm, essential */
1421/* this obviously also doesn't work when perl is embedded */
1422static void ecb_noinline ecb_cold
1423perlish_exit (pTHX)
1424{
1425 int exitstatus = perl_destruct (PL_curinterp);
1426 perl_free (PL_curinterp);
1427 exit (exitstatus);
1398} 1428}
1399 1429
1400/* 1430/*
1401 * this is a _very_ stripped down perl interpreter ;) 1431 * this is a _very_ stripped down perl interpreter ;)
1402 */ 1432 */
1431 */ 1461 */
1432 1462
1433 /* 1463 /*
1434 * If perl-run returns we assume exit() was being called or the coro 1464 * If perl-run returns we assume exit() was being called or the coro
1435 * fell off the end, which seems to be the only valid (non-bug) 1465 * fell off the end, which seems to be the only valid (non-bug)
1436 * reason for perl_run to return. We try to exit by jumping to the 1466 * reason for perl_run to return. We try to mimic whatever perl is normally
1437 * bootstrap-time "top" top_env, as we cannot restore the "main" 1467 * doing in that case. YMMV.
1438 * coroutine as Coro has no such concept.
1439 * This actually isn't valid with the pthread backend, but OSes requiring
1440 * that backend are too broken to do it in a standards-compliant way.
1441 */ 1468 */
1442 PL_top_env = main_top_env; 1469 perlish_exit (aTHX);
1443 JMPENV_JUMP (2); /* I do not feel well about the hardcoded 2 at all */
1444 } 1470 }
1445} 1471}
1446 1472
1447static coro_cctx * 1473static coro_cctx *
1448cctx_new (void) 1474cctx_new (void)
1480 size_t stack_size; 1506 size_t stack_size;
1481 1507
1482#if HAVE_MMAP 1508#if HAVE_MMAP
1483 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE; 1509 cctx->ssize = ((cctx_stacksize * sizeof (long) + PAGESIZE - 1) / PAGESIZE + CORO_STACKGUARD) * PAGESIZE;
1484 /* mmap supposedly does allocate-on-write for us */ 1510 /* mmap supposedly does allocate-on-write for us */
1485 cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, 0, 0); 1511 cctx->sptr = mmap (0, cctx->ssize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_ANONYMOUS, -1, 0);
1486 1512
1487 if (cctx->sptr != (void *)-1) 1513 if (cctx->sptr != (void *)-1)
1488 { 1514 {
1489 #if CORO_STACKGUARD 1515 #if CORO_STACKGUARD
1490 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE); 1516 mprotect (cctx->sptr, CORO_STACKGUARD * PAGESIZE, PROT_NONE);
1792 TRANSFER (ta, 1); 1818 TRANSFER (ta, 1);
1793} 1819}
1794 1820
1795/** Coro ********************************************************************/ 1821/** Coro ********************************************************************/
1796 1822
1797ECB_INLINE void 1823ecb_inline void
1798coro_enq (pTHX_ struct coro *coro) 1824coro_enq (pTHX_ struct coro *coro)
1799{ 1825{
1800 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN]; 1826 struct coro **ready = coro_ready [coro->prio - CORO_PRIO_MIN];
1801 1827
1802 SvREFCNT_inc_NN (coro->hv); 1828 SvREFCNT_inc_NN (coro->hv);
1804 coro->next_ready = 0; 1830 coro->next_ready = 0;
1805 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro; 1831 *(ready [0] ? &ready [1]->next_ready : &ready [0]) = coro;
1806 ready [1] = coro; 1832 ready [1] = coro;
1807} 1833}
1808 1834
1809ECB_INLINE struct coro * 1835ecb_inline struct coro *
1810coro_deq (pTHX) 1836coro_deq (pTHX)
1811{ 1837{
1812 int prio; 1838 int prio;
1813 1839
1814 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; ) 1840 for (prio = CORO_PRIO_MAX - CORO_PRIO_MIN + 1; --prio >= 0; )
1867{ 1893{
1868 return !!(SvSTATE (coro_sv)->flags & CF_READY); 1894 return !!(SvSTATE (coro_sv)->flags & CF_READY);
1869} 1895}
1870 1896
1871/* expects to own a reference to next->hv */ 1897/* expects to own a reference to next->hv */
1872ECB_INLINE void 1898ecb_inline void
1873prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next) 1899prepare_schedule_to (pTHX_ struct coro_transfer_args *ta, struct coro *next)
1874{ 1900{
1875 SV *prev_sv = SvRV (coro_current); 1901 SV *prev_sv = SvRV (coro_current);
1876 1902
1877 ta->prev = SvSTATE_hv (prev_sv); 1903 ta->prev = SvSTATE_hv (prev_sv);
1936 } 1962 }
1937 } 1963 }
1938 } 1964 }
1939} 1965}
1940 1966
1941ECB_INLINE void 1967ecb_inline void
1942prepare_cede (pTHX_ struct coro_transfer_args *ta) 1968prepare_cede (pTHX_ struct coro_transfer_args *ta)
1943{ 1969{
1944 api_ready (aTHX_ coro_current); 1970 api_ready (aTHX_ coro_current);
1945 prepare_schedule (aTHX_ ta); 1971 prepare_schedule (aTHX_ ta);
1946} 1972}
1947 1973
1948ECB_INLINE void 1974ecb_inline void
1949prepare_cede_notself (pTHX_ struct coro_transfer_args *ta) 1975prepare_cede_notself (pTHX_ struct coro_transfer_args *ta)
1950{ 1976{
1951 SV *prev = SvRV (coro_current); 1977 SV *prev = SvRV (coro_current);
1952 1978
1953 if (coro_nready) 1979 if (coro_nready)
3371 int count; 3397 int count;
3372 3398
3373 eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1); 3399 eval_pv ("require 'Coro/jit-" CORO_JIT_TYPE ".pl'", 1);
3374 3400
3375 PUSHMARK (SP); 3401 PUSHMARK (SP);
3376#define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type)); 3402 #define VARx(name,expr,type) pushav_4uv (aTHX_ (UV)&(expr), sizeof (expr), offsetof (perl_slots, name), sizeof (type));
3377# include "state.h" 3403 #include "state.h"
3378#undef VARx
3379 count = call_pv ("Coro::State::_jit", G_ARRAY); 3404 count = call_pv ("Coro::State::_jit", G_ARRAY);
3380 SPAGAIN; 3405 SPAGAIN;
3381 3406
3382 save = POPs; save_ptr = SvPVbyte (save, save_len); 3407 save = POPs; save_ptr = SvPVbyte (save, save_len);
3383 load = POPs; load_ptr = SvPVbyte (load, load_len); 3408 load = POPs; load_ptr = SvPVbyte (load, load_len);
3640 RETVAL = boolSV (coro->flags & ix); 3665 RETVAL = boolSV (coro->flags & ix);
3641 OUTPUT: 3666 OUTPUT:
3642 RETVAL 3667 RETVAL
3643 3668
3644void 3669void
3645throw (Coro::State self, SV *exception = &PL_sv_undef) 3670throw (SV *self, SV *exception = &PL_sv_undef)
3646 PROTOTYPE: $;$ 3671 PROTOTYPE: $;$
3647 CODE: 3672 CODE:
3648{ 3673{
3674 struct coro *coro = SvSTATE (self);
3649 struct coro *current = SvSTATE_current; 3675 struct coro *current = SvSTATE_current;
3650 SV **exceptionp = self == current ? &CORO_THROW : &self->except; 3676 SV **exceptionp = coro == current ? &CORO_THROW : &coro->except;
3651 SvREFCNT_dec (*exceptionp); 3677 SvREFCNT_dec (*exceptionp);
3652 SvGETMAGIC (exception); 3678 SvGETMAGIC (exception);
3653 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0; 3679 *exceptionp = SvOK (exception) ? newSVsv (exception) : 0;
3680
3681 api_ready (aTHX_ self);
3654} 3682}
3655 3683
3656void 3684void
3657api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB) 3685api_trace (SV *coro, int flags = CC_TRACE | CC_TRACE_SUB)
3658 PROTOTYPE: $;$ 3686 PROTOTYPE: $;$

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